Apache Hadoop Changelog

Release 1.2.0 - 2013-05-13

INCOMPATIBLE CHANGES:

JIRA Summary Priority Component Reporter Contributor
HADOOP-8164 Handle paths using back slash as path separator for windows only Major fs Suresh Srinivas Daryn Sharp
MAPREDUCE-4629 Remove JobHistory.DEBUG_MODE Major . Karthik Kambatla Karthik Kambatla
HDFS-4122 Cleanup HDFS logs and reduce the size of logged messages Major datanode, hdfs-client, namenode Suresh Srinivas Suresh Srinivas
HDFS-4350 Make enabling of stale marking on read and write paths independent Major . Andrew Wang Andrew Wang
MAPREDUCE-4737 Hadoop does not close output file / does not call Mapper.cleanup if exception in map Major . Daniel Dai Arun C Murthy

NEW FEATURES:

JIRA Summary Priority Component Reporter Contributor
MAPREDUCE-461 Enable ServicePlugins for the JobTracker Minor . Fredrik Hedberg Fredrik Hedberg
HDFS-3515 Port HDFS-1457 to branch-1 Major namenode Eli Collins Eli Collins
HADOOP-8023 Add unset() method to Configuration Critical conf Alejandro Abdelnur Alejandro Abdelnur
MAPREDUCE-4355 Add RunningJob.getJobStatus() Major mrv1, mrv2 Karthik Kambatla Karthik Kambatla
MAPREDUCE-987 Exposing MiniDFS and MiniMR clusters as a single process command-line Minor build, test Philip Zeyliger Ahmed Radwan
MAPREDUCE-3678 The Map tasks logs should have the value of input split it processed Major mrv1, mrv2 Bejoy KS Harsh J
HADOOP-8988 Backport HADOOP-8343 to branch-1 Major conf Jing Zhao Jing Zhao
HADOOP-8820 Backport HADOOP-8469 and HADOOP-8470: add “NodeGroup” layer in new NetworkTopology (also known as NetworkTopologyWithNodeGroup) Major net Junping Du Junping Du
HDFS-3941 Backport HDFS-3498 and HDFS3601: update replica placement policy for new added “NodeGroup” layer topology Major namenode Junping Du Junping Du
HDFS-4219 Port slive to branch-1 Major . Arpit Gupta Arpit Gupta
HADOOP-9090 Support on-demand publish of metrics Minor metrics Mostafa Elhemali Mostafa Elhemali
HDFS-3942 Backport HDFS-3495: Update balancer policy for Network Topology with additional ‘NodeGroup’ layer Major balancer & mover Junping Du Junping Du
MAPREDUCE-4660 Update task placement policy for NetworkTopology with ‘NodeGroup’ layer Major jobtracker, mrv1, scheduler Junping Du Junping Du
HDFS-4597 Backport WebHDFS concat to branch-1 Major webhdfs Tsz Wo Nicholas Sze Tsz Wo Nicholas Sze
MAPREDUCE-5081 Backport DistCpV2 and the related JIRAs to branch-1 Major distcp Tsz Wo Nicholas Sze Tsz Wo Nicholas Sze
MAPREDUCE-4824 Provide a mechanism for jobs to indicate they should not be recovered on restart Major mrv1 Tom White Tom White
MAPREDUCE-5129 Add tag info to JH files Minor . Billie Rinaldi Billie Rinaldi
HDFS-4776 Backport SecondaryNameNode web ui to branch-1 Minor namenode Tsz Wo Nicholas Sze Tsz Wo Nicholas Sze
HDFS-4774 Backport HDFS-4525 ‘Provide an API for knowing whether file is closed or not’ to branch-1 Major hdfs-client, namenode Ted Yu Ted Yu
HDFS-3601 Implementation of ReplicaPlacementPolicyNodeGroup to support 4-layer network topology Major namenode Junping Du Junping Du
HDFS-3495 Update Balancer to support new NetworkTopology with NodeGroup Major balancer & mover Junping Du Junping Du

IMPROVEMENTS:

JIRA Summary Priority Component Reporter Contributor
HDFS-385 Design a pluggable interface to place replicas of blocks in HDFS Major . dhruba borthakur dhruba borthakur
HADOOP-7096 Allow setting of end-of-record delimiter for TextInputFormat Major . Ahmed Radwan Ahmed Radwan
HDFS-1957 Documentation for HFTP Minor documentation Ari Rabkin Ari Rabkin
HDFS-2533 Remove needless synchronization on FSDataSet.getBlockFile Minor datanode, performance Todd Lipcon Todd Lipcon
HDFS-3163 TestHDFSCLI.testAll fails if the user name is not all lowercase Trivial test Brandon Li Brandon Li
HDFS-3479 backport HDFS-3335 (check for edit log corruption at the end of the log) to branch-1 Major . Colin P. McCabe Colin P. McCabe
HDFS-3521 Allow namenode to tolerate edit log corruption Major namenode Tsz Wo Nicholas Sze Tsz Wo Nicholas Sze
HDFS-3604 Add dfs.webhdfs.enabled to hdfs-default.xml Minor . Eli Collins Eli Collins
HDFS-3596 Improve FSEditLog pre-allocation in branch-1 Minor . Colin P. McCabe Colin P. McCabe
HDFS-3647 Backport HDFS-2868 (Add number of active transfer threads to the DataNode status) to branch-1 Major datanode Steve Hoffman Harsh J
MAPREDUCE-4415 Backport the Job.getInstance methods from MAPREDUCE-1505 to branch-1 Major mrv1 Harsh J Harsh J
HDFS-3697 Enable fadvise readahead by default Minor datanode, performance Todd Lipcon Todd Lipcon
HADOOP-8711 provide an option for IPC server users to avoid printing stack information for certain exceptions Major ipc Brandon Li Brandon Li
MAPREDUCE-4565 Backport MR-2855 to branch-1: ResourceBundle lookup during counter name resolution takes a lot of time Major . Karthik Kambatla Karthik Kambatla
HDFS-3817 avoid printing stack information for SafeModeException Major namenode Brandon Li Brandon Li
HDFS-3819 Should check whether invalidate work percentage default value is not greater than 1.0f Minor . Jing Zhao Jing Zhao
HDFS-3838 fix the typo in FSEditLog.java: isToterationEnabled should be isTolerationEnabled Trivial namenode Brandon Li Brandon Li
MAPREDUCE-4408 allow jobs to set a JAR that is in the distributed cached Major mrv1, mrv2 Alejandro Abdelnur Robert Kanter
MAPREDUCE-4499 Looking for speculative tasks is very expensive in 1.x Major mrv1, performance Nathan Roberts Koji Noguchi
HADOOP-7688 When a servlet filter throws an exception in init(..), the Jetty server failed silently. Major . Tsz Wo Nicholas Sze Uma Maheswara Rao G
MAPREDUCE-2770 Improve hadoop.job.history.location doc in mapred-default.xml Trivial documentation Eli Collins Sandy Ryza
MAPREDUCE-4464 Reduce tasks failing with NullPointerException in ConcurrentHashMap.get() Minor task Clint Heath Clint Heath
MAPREDUCE-4556 FairScheduler: PoolSchedulable#updateDemand() has potential redundant computation Minor contrib/fair-share Karthik Kambatla Karthik Kambatla
HADOOP-8931 Add Java version to startup message Trivial . Eli Collins Eli Collins
HDFS-4057 NameNode.namesystem should be private. Use getNamesystem() instead. Minor namenode Brandon Li Brandon Li
HADOOP-8951 RunJar to fail with user-comprehensible error message if jar missing Minor util Steve Loughran Steve Loughran
HDFS-4062 In branch-1, FSNameSystem#invalidateWorkForOneNode and FSNameSystem#computeReplicationWorkForBlock should print logs outside of the namesystem lock Minor . Jing Zhao Jing Zhao
HADOOP-8971 Backport: hadoop.util.PureJavaCrc32 cache hit-ratio is low for static data (HADOOP-8926) Major util Gopal V Gopal V
HADOOP-8968 Add a flag to completely disable the worker version check Major . Alejandro Abdelnur Alejandro Abdelnur
MAPREDUCE-4703 Add the ability to start the MiniMRClientCluster using the configurations used before it is being stopped. Major mrv1, mrv2, test Ahmed Radwan Ahmed Radwan
MAPREDUCE-4845 ClusterStatus.getMaxMemory() and getUsedMemory() exist in MR1 but not MR2 Major client Sandy Ryza Sandy Ryza
HDFS-4320 Add a separate configuration for namenode rpc address instead of only using fs.default.name Major datanode, namenode Mostafa Elhemali Mostafa Elhemali
MAPREDUCE-4907 TrackerDistributedCacheManager issues too many getFileStatus calls Major mrv1, tasktracker Sandy Ryza Sandy Ryza
MAPREDUCE-2931 CLONE - LocalJobRunner should support parallel mapper execution Major . Forest Tan Sandy Ryza
MAPREDUCE-4837 Add webservices for jobtracker Major . Arun C Murthy Arun C Murthy
HDFS-4551 Change WebHDFS buffersize behavior to improve default performance Major webhdfs Mark Wagner Mark Wagner
HADOOP-9379 capture the ulimit info after printing the log to the console Trivial . Arpit Gupta Arpit Gupta
HADOOP-9434 Backport HADOOP-9267 to branch-1 Minor bin Yu Li Yu Li
HDFS-4635 Move BlockManager#computeCapacity to LightWeightGSet Major namenode Suresh Srinivas Suresh Srinivas
HADOOP-9253 Capture ulimit info in the logs at service start time Major . Arpit Gupta Arpit Gupta
HDFS-4651 Offline Image Viewer backport to branch-1 Major tools Chris Nauroth Chris Nauroth
HADOOP-9071 configure ivy log levels for resolve/retrieve Major build Giridharan Kesavan Giridharan Kesavan
HDFS-3940 Add Gset#clear method and clear the block map when namenode is shutdown Minor . Eli Collins Suresh Srinivas
HDFS-3498 Make Replica Removal Policy pluggable and ReplicaPlacementPolicyDefault extensible for reusing code in subclass Major namenode Junping Du Junping Du

BUG FIXES:

JIRA Summary Priority Component Reporter Contributor
HADOOP-7101 UserGroupInformation.getCurrentUser() fails when called from non-Hadoop JAAS context Blocker security Todd Lipcon Todd Lipcon
HDFS-2827 Cannot save namespace after renaming a directory above a file with an open lease Major namenode Uma Maheswara Rao G Uma Maheswara Rao G
HADOOP-8355 SPNEGO filter throws/logs exception when authentication fails Minor security Alejandro Abdelnur Alejandro Abdelnur
HADOOP-8460 Document proper setting of HADOOP_PID_DIR and HADOOP_SECURE_DN_PID_DIR Major documentation Robert Joseph Evans Robert Joseph Evans
MAPREDUCE-4195 With invalid queueName request param, jobqueue_details.jsp shows NPE Critical jobtracker Gera Shegalov
MAPREDUCE-3727 jobtoken location property in jobconf refers to wrong jobtoken file Critical security Alejandro Abdelnur Alejandro Abdelnur
HADOOP-8512 AuthenticatedURL should reset the Token when the server returns other than OK on authentication Minor security Alejandro Abdelnur Alejandro Abdelnur
HADOOP-7868 Hadoop native fails to compile when default linker option is -Wl,–as-needed Major native James Page Trevor Robinson
MAPREDUCE-2289 Permissions race can make getStagingDir fail on local filesystem Major job submission Todd Lipcon Ahmed Radwan
HADOOP-8249 invalid hadoop-auth cookies should trigger authentication if info is avail before returning HTTP 401 Major security bc Wong Alejandro Abdelnur
HDFS-3595 TestEditLogLoading fails in branch-1 Major namenode Colin P. McCabe Colin P. McCabe
MAPREDUCE-4317 Job view ACL checks are too permissive Major mrv1 Harsh J Karthik Kambatla
MAPREDUCE-4385 FairScheduler.maxTasksToAssign() should check for fairscheduler.assignmultiple.maps < TaskTracker.availableSlots Major . Karthik Kambatla Karthik Kambatla
MAPREDUCE-4359 Potential deadlock in Counters Major . Todd Lipcon Tom White
MAPREDUCE-3993 Graceful handling of codec errors during decompression Major mrv1, mrv2 Todd Lipcon Karthik Kambatla
HDFS-3628 The dfsadmin -setBalancerBandwidth command on branch-1 does not check for superuser privileges Blocker datanode, namenode Harsh J Harsh J
HADOOP-8586 Fixup a bunch of SPNEGO misspellings Major . Eli Collins Eli Collins
HADOOP-8587 HarFileSystem access of harMetaCache isn’t threadsafe Minor fs Eli Collins Eli Collins
HADOOP-7836 TestSaslRPC#testDigestAuthMethodHostBasedToken fails with hostname localhost.localdomain Minor ipc, test Eli Collins Daryn Sharp
HADOOP-8423 MapFile.Reader.get() crashes jvm or throws EOFException on Snappy or LZO block-compressed data Major io Jason B Todd Lipcon
HADOOP-8612 Backport HADOOP-8599 to branch-1 (Non empty response when read beyond eof) Major fs Matt Foley Eli Collins
HADOOP-8606 FileSystem.get may return the wrong filesystem Major fs Daryn Sharp Daryn Sharp
HADOOP-8613 AbstractDelegationTokenIdentifier#getUser() should set token auth type Critical . Daryn Sharp Daryn Sharp
HDFS-3679 fuse_dfs notrash option sets usetrash Minor fuse-dfs Conrad Meyer Conrad Meyer
MAPREDUCE-4036 Streaming TestUlimit fails on CentOS 6 Major test Alejandro Abdelnur Alejandro Abdelnur
HDFS-3754 BlockSender doesn’t shutdown ReadaheadPool threads Major datanode Eli Collins Eli Collins
HADOOP-8611 Allow fall-back to the shell-based implementation when JNI-based users-group mapping fails Major security Kihwal Lee Robert Parker
MAPREDUCE-4595 TestLostTracker failing - possibly due to a race in JobHistory.JobHistoryFilesManager#run() Critical . Karthik Kambatla Karthik Kambatla
MAPREDUCE-1684 ClusterStatus can be cached in CapacityTaskScheduler.assignTasks() Major capacity-sched Amareshwari Sriramadasu Koji Noguchi
MAPREDUCE-4572 Can not access user logs - Jetty is not configured by default to serve aliases/symlinks Major tasktracker, webapps Ahmed Radwan Ahmed Radwan
HDFS-2757 Cannot read a local block that’s being written to when using the local read short circuit Major . Jean-Daniel Cryans Jean-Daniel Cryans
HADOOP-8781 hadoop-config.sh should add JAVA_LIBRARY_PATH to LD_LIBRARY_PATH Major scripts Alejandro Abdelnur Alejandro Abdelnur
MAPREDUCE-4576 Large dist cache can block tasktracker heartbeat Major . Robert Joseph Evans Robert Joseph Evans
HADOOP-8767 secondary namenode on slave machines Minor bin giovanni delussu giovanni delussu
HADOOP-8819 Should use && instead of & in a few places in FTPFileSystem,FTPInputStream,S3InputStream,ViewFileSystem,ViewFs Major fs Brandon Li Brandon Li
HADOOP-8786 HttpServer continues to start even if AuthenticationFilter fails to init Major . Todd Lipcon Todd Lipcon
HDFS-3961 FSEditLog preallocate() needs to reset the position of PREALLOCATE_BUFFER when more than 1MB size is needed Major . Jing Zhao Jing Zhao
HADOOP-8832 backport serviceplugin to branch-1 Major . Brandon Li Brandon Li
HDFS-3963 backport namenode/datanode serviceplugin to branch-1 Major . Brandon Li Brandon Li
HDFS-3698 TestHftpFileSystem is failing in branch-1 due to changed default secure port Major security Aaron T. Myers Aaron T. Myers
HADOOP-7698 jsvc target fails on x86_64 Critical build Daryn Sharp Daryn Sharp
MAPREDUCE-4652 ValueAggregatorJob sets the wrong job jar Major examples, mrv1 Ahmed Radwan Ahmed Radwan
MAPREDUCE-4662 JobHistoryFilesManager thread pool never expands Major jobhistoryserver Thomas Graves Kihwal Lee
HADOOP-8791 rm “Only deletes non empty directory and files.” Major documentation Bertrand Dechoux Jing Zhao
HADOOP-8386 hadoop script doesn’t work if ‘cd’ prints to stdout (default behavior in Ubuntu) Major scripts Christopher Berner Christopher Berner
MAPREDUCE-4706 FairScheduler#dump(): Computing of # running maps and reduces is commented out Critical contrib/fair-share Karthik Kambatla Karthik Kambatla
MAPREDUCE-4451 fairscheduler fail to init job with kerberos authentication configured Major contrib/fair-share Erik.fang Erik.fang
HADOOP-6496 HttpServer sends wrong content-type for CSS files (and others) Minor . Lars Francke Ivan Mitic
HADOOP-7827 jsp pages missing DOCTYPE Trivial . Dave Vronay Dave Vronay
HDFS-3402 Fix hdfs scripts for secure datanodes Minor scripts, security Benoy Antony Benoy Antony
HDFS-4072 On file deletion remove corresponding blocks pending replication Minor namenode Jing Zhao Jing Zhao
HADOOP-8861 FSDataOutputStream.sync should call flush() if the underlying wrapped stream is not Syncable Major fs Amareshwari Sriramadasu Amareshwari Sriramadasu
HDFS-3540 Further improvement on recovery mode and edit log toleration in branch-1 Major namenode Tsz Wo Nicholas Sze Tsz Wo Nicholas Sze
HADOOP-8900 BuiltInGzipDecompressor throws IOException - stored gzip size doesn’t match decompressed size Major . Slavik Krassovsky Andy Isaacson
MAPREDUCE-1806 CombineFileInputFormat does not work with paths not on default FS Major harchive Paul Yang Gera Shegalov
MAPREDUCE-4765 Restarting the JobTracker programmatically can cause DelegationTokenRenewal to throw an exception Minor jobtracker, mrv1 Robert Kanter Robert Kanter
HDFS-4168 TestDFSUpgradeFromImage fails in branch-1 Major namenode Tsz Wo Nicholas Sze Jing Zhao
HADOOP-8963 CopyFromLocal doesn’t always create user directory Trivial . Billie Rinaldi Arpit Gupta
HDFS-4180 TestFileCreation fails in branch-1 but not branch-1.1 Minor test Tsz Wo Nicholas Sze Jing Zhao
HADOOP-9036 TestSinkQueue.testConcurrentConsumers fails intermittently (Backports HADOOP-7292) Major . Ivan Mitic Suresh Srinivas
HDFS-4207 All hadoop fs operations fail if the default fs is down even if a different file system is specified in the command Minor hdfs-client Steve Loughran Jing Zhao
HADOOP-9095 TestNNThroughputBenchmark fails in branch-1 Minor net Tsz Wo Nicholas Sze Jing Zhao
MAPREDUCE-4778 Fair scheduler event log is only written if directory exists on HDFS Major jobtracker, scheduler Sandy Ryza Sandy Ryza
HADOOP-9098 Add missing license headers Blocker build Tom White Arpit Agarwal
MAPREDUCE-4860 DelegationTokenRenewal attempts to renew token even after a job is removed Major security Karthik Kambatla Karthik Kambatla
MAPREDUCE-4806 Cleanup: Some (5) private methods in JobTracker.RecoveryManager are not used anymore after MAPREDUCE-3837 Major mrv1 Karthik Kambatla Karthik Kambatla
HDFS-4337 Backport HDFS-4240 to branch-1: Make sure nodes are avoided to place replica if some replica are already under the same nodegroup. Major namenode Junping Du meng gong
MAPREDUCE-2217 The expire launching task should cover the UNASSIGNED task Major jobtracker Scott Chen Karthik Kambatla
MAPREDUCE-4909 TestKeyValueTextInputFormat fails with Open JDK 7 on Windows Major test Arpit Agarwal Arpit Agarwal
HDFS-4355 TestNameNodeMetrics.testCorruptBlock fails with open JDK7 Major test Brandon Li Brandon Li
HDFS-4358 TestCheckpoint failure with JDK7 Major test Arpit Agarwal Arpit Agarwal
MAPREDUCE-4904 TestMultipleLevelCaching failed in branch-1 Major test meng gong Junping Du
HADOOP-9179 TestFileSystem fails with open JDK7 Major . Brandon Li Brandon Li
MAPREDUCE-4916 TestTrackerDistributedCacheManager is flaky due to other badly written tests in branch-1 Major . Arun C Murthy Xuan Gong
MAPREDUCE-4914 TestMiniMRDFSSort fails with openJDK7 Major test Brandon Li Brandon Li
MAPREDUCE-4915 TestShuffleExceptionCount fails with open JDK7 Major test Brandon Li Brandon Li
HDFS-4351 Fix BlockPlacementPolicyDefault#chooseTarget when avoiding stale nodes Major namenode Andrew Wang Andrew Wang
MAPREDUCE-4278 cannot run two local jobs in parallel from the same gateway. Major . Araceli Henley Sandy Ryza
HADOOP-9191 TestAccessControlList and TestJobHistoryConfig fail with JDK7 Major test Arpit Agarwal Arpit Agarwal
MAPREDUCE-4850 Job recovery may fail if staging directory has been deleted Major mrv1 Tom White Tom White
MAPREDUCE-4930 Backport MAPREDUCE-4678 and MAPREDUCE-4925 to branch-1 Major examples Karthik Kambatla Karthik Kambatla
MAPREDUCE-4924 flakey test: org.apache.hadoop.mapred.TestClusterMRNotification.testMR Trivial mrv1 Robert Kanter Robert Kanter
MAPREDUCE-4315 jobhistory.jsp throws 500 when a .txt file is found in /done Major jobhistoryserver Alexander Alten-Lorenz Sandy Ryza
MAPREDUCE-4923 Add toString method to TaggedInputSplit Minor mrv1, mrv2, task Sandy Ryza Sandy Ryza
HADOOP-8580 ant compile-native fails with automake version 1.11.3 Major . Eugene Koontz
MAPREDUCE-4929 mapreduce.task.timeout is ignored Major mrv1 Sandy Ryza Sandy Ryza
MAPREDUCE-4963 StatisticsCollector improperly keeps track of “Last Day” and “Last Hour” statistics for new TaskTrackers Major mrv1 Robert Kanter Robert Kanter
MAPREDUCE-4962 jobdetails.jsp uses display name instead of real name to get counters Major jobtracker, mrv1 Sandy Ryza Sandy Ryza
HDFS-4444 Add space between total transaction time and number of transactions in FSEditLog#printStatistics Trivial . Stephen Chu Stephen Chu
MAPREDUCE-2264 Job status exceeds 100% in some cases Major jobtracker Adam Kramer Devaraj K
MAPREDUCE-4969 TestKeyValueTextInputFormat test fails with Open JDK 7 Major test Arpit Agarwal Arpit Agarwal
MAPREDUCE-4843 When using DefaultTaskController, JobLocalizer not thread safe Critical tasktracker yunjiong zhao Karthik Kambatla
MAPREDUCE-4967 TestJvmReuse fails on assertion Major tasktracker, test Chris Nauroth Karthik Kambatla
MAPREDUCE-4434 Backport MR-2779 (JobSplitWriter.java can’t handle large job.split file) to branch-1 Major mrv1 Karthik Kambatla Karthik Kambatla
MAPREDUCE-4970 Child tasks (try to) create security audit log files Major . Sandy Ryza Sandy Ryza
HADOOP-9124 SortedMapWritable violates contract of Map interface for equals() and hashCode() Minor io Patrick Hunt Surenkumar Nihalani
HDFS-4466 Remove the deadlock from AbstractDelegationTokenSecretManager Major namenode, security Brandon Li Brandon Li
HADOOP-9154 SortedMapWritable#putAll() doesn’t add key/value classes to the map Major io Karthik Kambatla Karthik Kambatla
MAPREDUCE-4643 Make job-history cleanup-period configurable Major jobhistoryserver Karthik Kambatla Sandy Ryza
HDFS-4222 NN is unresponsive and loses heartbeats of DNs when Hadoop is configured to use LDAP and LDAP has issues Minor namenode Xiaobo Peng Xiaobo Peng
HDFS-4479 logSync() with the FSNamesystem lock held in commitBlockSynchronization Major . Jing Zhao Jing Zhao
HADOOP-8917 add LOCALE.US to toLowerCase in SecurityUtil.replacePattern Major . Arpit Gupta Arpit Gupta
MAPREDUCE-5008 Merger progress miscounts with respect to EOF_MARKER Major . Sandy Ryza Sandy Ryza
MAPREDUCE-5035 Update MR1 memory configuration docs Major mrv1 Tom White Tom White
MAPREDUCE-4933 MR1 final merge asks for length of file it just wrote before flushing it Major mrv1, task Sandy Ryza Sandy Ryza
HDFS-4518 Finer grained metrics for HDFS capacity Major . Arpit Agarwal Arpit Agarwal
HADOOP-9349 Confusing output when running hadoop version from one hadoop installation when HADOOP_HOME points to another Major tools Sandy Ryza Sandy Ryza
HDFS-4519 Support override of jsvc binary and log file locations when launching secure datanode. Major datanode, scripts Chris Nauroth Chris Nauroth
HDFS-4544 Error in deleting blocks should not do check disk, for all types of errors Major . Amareshwari Sriramadasu Arpit Agarwal
MAPREDUCE-5049 CombineFileInputFormat counts all compressed files non-splitable Major . Sandy Ryza Sandy Ryza
HADOOP-9369 DNS#reverseDns() can return hostname with . appended at the end Major net Karthik Kambatla Karthik Kambatla
HDFS-4558 start balancer failed with NPE Critical balancer & mover Wenwu Peng Junping Du
HADOOP-9099 NetUtils.normalizeHostName fails on domains where UnknownHost resolves to an IP address Minor test Ivan Mitic Ivan Mitic
HADOOP-9451 Node with one topology layer should be handled as fault topology when NodeGroup layer is enabled Major net Junping Du Junping Du
MAPREDUCE-4463 JobTracker recovery fails with HDFS permission issue Blocker mrv1 Tom White Tom White
MAPREDUCE-5131 Provide better handling of job status related apis during JT restart Major . Arun C Murthy Arun C Murthy
HDFS-4413 Secondary namenode won’t start if HDFS isn’t the default file system Major namenode Mostafa Elhemali Mostafa Elhemali
HADOOP-9467 Metrics2 record filtering (.record.filter.include/exclude) does not filter by name Major metrics Chris Nauroth Chris Nauroth
MAPREDUCE-5066 JobTracker should set a timeout when calling into job.end.notification.url Major . Ivan Mitic Ivan Mitic
HADOOP-9473 typo in FileUtil copy() method Trivial fs Glen Mazza
HDFS-4715 Backport HDFS-3577 and other related WebHDFS issue to branch-1 Major webhdfs Tsz Wo Nicholas Sze Mark Wagner
HADOOP-9492 Fix the typo in testConf.xml to make it consistent with FileUtil#copy() Trivial test Jing Zhao Jing Zhao
MAPREDUCE-5169 Job recovery fails if job tracker is restarted after the job is submitted but before its initialized Major . Arpit Gupta Arun C Murthy
HADOOP-9458 In branch-1, RPC.getProxy(..) may call proxy.getProtocolVersion(..) without retry Critical ipc Tsz Wo Nicholas Sze Tsz Wo Nicholas Sze
HADOOP-9502 chmod does not return error exit codes for some exceptions Minor fs Ramya Sunil Tsz Wo Nicholas Sze
MAPREDUCE-5166 ConcurrentModificationException in LocalJobRunner Blocker . Gunther Hagleitner Sandy Ryza
MAPREDUCE-5158 Cleanup required when mapreduce.job.restart.recover is set to false Major jobtracker Yesha Vora Mayank Bansal
MAPREDUCE-5198 Race condition in cleanup during task tracker renint with LinuxTaskController Major tasktracker Arpit Gupta Arpit Gupta
MAPREDUCE-5154 staging directory deletion fails because delegation tokens have been cancelled Major jobtracker Sandy Ryza Sandy Ryza
MAPREDUCE-5202 Revert MAPREDUCE-4397 to avoid using incorrect config files Major . Owen O’Malley Owen O’Malley
HADOOP-9537 Backport AIX patches to branch-1 Major security Arpit Agarwal Arpit Agarwal
HADOOP-9543 TestFsShellReturnCode may fail in branch-1 Minor test Tsz Wo Nicholas Sze Tsz Wo Nicholas Sze
HADOOP-9544 backport UTF8 encoding fixes to branch-1 Major io Chris Nauroth Chris Nauroth
HADOOP-9375 Port HADOOP-7290 to branch-1 to fix TestUserGroupInformation failure Trivial test Xiaobo Peng Suresh Srinivas
HDFS-4240 In nodegroup-aware case, make sure nodes are avoided to place replica if some replica are already under the same nodegroup Major namenode Junping Du Junping Du
HDFS-3499 Make NetworkTopology support user specified topology class Major datanode Junping Du Junping Du
MAPREDUCE-5028 Maps fail when io.sort.mb is set to high value Critical . Karthik Kambatla Karthik Kambatla

TESTS:

JIRA Summary Priority Component Reporter Contributor
HADOOP-9174 TestSecurityUtil fails on Open JDK 7 Major test Arpit Agarwal Arpit Agarwal
HADOOP-9175 TestWritableName fails with Open JDK 7 Major test Arpit Agarwal Arpit Agarwal
HDFS-4256 Backport concatenation of files into a single file to branch-1 Major namenode Suresh Srinivas Sanjay Radia

SUB-TASKS:

JIRA Summary Priority Component Reporter Contributor
HADOOP-7754 Expose file descriptors from Hadoop-wrapped local FileSystems Major native, performance Todd Lipcon Todd Lipcon
HDFS-3912 Detecting and avoiding stale datanodes for writing Major . Jing Zhao Jing Zhao
HDFS-4071 Add number of stale DataNodes to metrics for Branch-1 Minor datanode, namenode Jing Zhao Jing Zhao
HADOOP-8817 Backport Network Topology Extension for Virtualization (HADOOP-8468) to branch-1 Major . Junping Du Junping Du
HADOOP-8469 Make NetworkTopology class pluggable Major . Junping Du Junping Du
HADOOP-8470 Implementation of 4-layer subclass of NetworkTopology (NetworkTopologyWithNodeGroup) Major . Junping Du Junping Du